diff --git a/src/Eccube/Resource/template/admin/Product/product.twig b/src/Eccube/Resource/template/admin/Product/product.twig
index 09b93f9045c..4e9c43526b0 100644
--- a/src/Eccube/Resource/template/admin/Product/product.twig
+++ b/src/Eccube/Resource/template/admin/Product/product.twig
@@ -18,9 +18,7 @@ file that was distributed with this source code.
 {% form_theme form '@admin/Form/bootstrap_4_horizontal_layout.html.twig' %}
 
 {% block javascript %}
-    <script>var bootstrapTooltip = $.fn.tooltip.noConflict();</script>
     <script>
-        $.fn.tooltip = bootstrapTooltip;
         $(function() {
             {% if has_class == false %}
             if ($("#{{ form.class.stock_unlimited.vars.id }}").prop("checked")) {
diff --git a/src/Eccube/Resource/template/admin/Setting/Shop/payment_edit.twig b/src/Eccube/Resource/template/admin/Setting/Shop/payment_edit.twig
index f8ead043fff..2e1ca840f9c 100644
--- a/src/Eccube/Resource/template/admin/Setting/Shop/payment_edit.twig
+++ b/src/Eccube/Resource/template/admin/Setting/Shop/payment_edit.twig
@@ -18,9 +18,7 @@ file that was distributed with this source code.
 {% form_theme form '@admin/Form/bootstrap_4_horizontal_layout.html.twig' %}
 
 {% block javascript %}
-    <script>var bootstrapTooltip = $.fn.tooltip.noConflict();</script>
     <script>
-        $.fn.tooltip = bootstrapTooltip;
         $(document).on('drop dragover', function(e) {
             e.preventDefault();
         });